[英]How to create excel column allowes only unique strings using java apache poi api
why not keep track of all names in a list? 为什么不跟踪列表中的所有名称? Something like:
就像是:
List<String> listUniqueEmployeeNames = new ArrayList<String>();
if(!listUniqueEmployeeNames.contains(employeename)) {
listUniqueEmployeeNames.add(employeename);
//do the rest of inserting cells for this employee here
}
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